PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16805Hydrometer,graduated Scale

Central Scientific Co Educational · NSN 6630-00-249-3687 · FSC 6630 · No Item Name Available
Verified by PartsTable
NSN 6630-00-249-3687 — this item is cataloged by the U.S. Government under National Stock Number 6630-00-249-3687. Primary manufacturer part number: 16805.
Features
  • Hydrometer,graduated Scale — FSC 6630
  • Scale Name: BAUME AND SPECIFIC GRAVITY
  • Scale Quantity: 2
  • Scale Calibration Temp: 60.0 FAHRENHEIT DEGF
  • Specimen Receptacle Holder: NOT INCLUDED
  • Conversion Chart: NOT INCLUDED
  • Correction Scale: NOT INCLUDED
  • Material: GLASS PLUMMET
Applications
  • Applications requiring Glass Plummet construction
General Description

The Hydrometer,graduated Scale, cataloged under National Stock Number 6630-00-249-3687, is classified within Federal Supply Class 6630 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Central Scientific Co Educational. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6630-00-249-3687
Primary Part Number16805
Item NameHydrometer,graduated Scale
FSC / FSG6630 / 66 — No Item Name Available
ManufacturerCentral Scientific Co Educational
StatusACTIVE
Scale NameBAUME AND SPECIFIC GRAVITY
Scale Quantity2
Scale Calibration Temp60.0 FAHRENHEIT DEGF
Specimen Receptacle HolderNOT INCLUDED
Conversion ChartNOT INCLUDED
Correction ScaleNOT INCLUDED
MaterialGLASS PLUMMET
ThermometerNOT INCLUDED
MaterialGLASS STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6680-00-455-57741680-5 INTERCHANGEABLE
Cup,indicator
Petrometer Corp
5945-00-470-9317 INTERCHANGEABLE
Relay,electromagnetic
5330-00-770-008216805 INTERCHANGEABLE
Seal
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5305-00-832-152016805 INTERCHANGEABLE
Screw,cap,hexagon Head
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
3020-01-191-666816805 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
6515-01-591-392303.010.100 INTERCHANGEABLE
Drill,twist,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16805 Central Scientific Co Educational (USA)
Related Parts
6680-00-455-5774INTERCHANGEABLE
CUP,INDICATOR
1680-5
5945-00-470-9317INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5330-00-770-0082INTERCHANGEABLE
SEAL
16805
5305-00-832-1520INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
16805
3020-01-191-6668INTERCHANGEABLE
GEAR RACK
16805
6515-01-591-3923INTERCHANGEABLE
DRILL,TWIST,BONE
03.010.100

Frequently Asked Questions

What is NSN 6630-00-249-3687?

NSN 6630-00-249-3687 is a Hydrometer,graduated Scale, manufactured by Central Scientific Co Educational, classified under FSC 6630 (No Item Name Available). Status: active.

What are the part numbers for NSN 6630-00-249-3687?

NSN 6630-00-249-3687 has 1 cross-referenced part number: 16805 (Central Scientific Co Educational).

What NSN replaces 6630-00-249-3687?

There are 6 known substitutes for 6630-00-249-3687: 6680-00-455-5774, 5945-00-470-9317, 5330-00-770-0082 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16805?

Key specifications for 16805: Scale Name: BAUME AND SPECIFIC GRAVITY; Overall Length: 11.000 INCHES NOMINAL IN; Scale Quantity: 2; Scale Calibration Temp: 60.0 FAHRENHEIT DEGF. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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